The Online Membership Directory provides basic information about Attorneys licensed to practice in Texas. The CBA's annual membership period runs June-May.New members joining June-November need to submit full annual dues. Please fill out the registration form below. Personal Information. You can find more information and the form you need to fill out for an e-filing exemption below. Complete this form with your online payment to become a member of the ISBA. You will have immediate limited access to members-only information on this site. Contact the Membership Department for information regarding the required forms and the current amount due. Membership Department Phone: 512-427-1383.